CN209875063U - 一种复合振动提速工具 - Google Patents
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Abstract
本实用新型公开了一种复合振动提速工具，涉及钻井工具技术领域，该复合振动提速工具包括阀组件，阀组件包括动阀块和定阀块。其中，动阀块具有第一中心孔和围绕第一中心孔设置的多个第一边缘孔；定阀块具有第二中心孔和围绕第二中心孔设置的多个第二边缘孔。第二中心孔与第一中心孔相对应，第二边缘孔与第一边缘孔相对应。定阀块的端面与动阀块的端面相对设置。本实施例中，动阀块转动时，第一中心孔和第二中心孔保持连通，能够避免流量截止的状态出现。第二边缘孔和第一边缘孔均为多个，动阀块转动一周，第二边缘孔能够与第一边缘孔之间形成多次的位置重叠和交错，提高了轴向振动的频率，提升了使用效果。
Description
技术领域
本实用新型涉及钻井工具技术领域，具体涉及一种复合振动提速工具。
背景技术
现有技术中，钻具在水平井加压过程中摩擦过大，严重影响钻进。水力振荡器是通过自身产生的振动来提高钻进过程中钻压传递的有效性，并减少底部钻具与井眼之间的摩擦阻力，可以应用在各种钻进模式中来提高机械钻速。
现有技术的水力振荡器中，定阀片安装在的定阀座内部，定阀座开有与的下接头同心的孔，定阀片开有与定阀座偏心的孔。定阀座相对静止，动阀座与定阀座之间相对运动。动阀座公转一周，遮挡定阀座上的定阀片的通孔一次，在遮挡的过程中，遮挡面积慢慢变化，造成压力的逐渐改变，这样就形成了连续柔和的脉动振动。但是，动阀座公转一周才能产生一次轴向振动，振动频率较低，使用效果有待于进一步地提升。
实用新型内容
本实用新型针对现有技术中所存在的上述技术问题提供了一种复合振动提速工具，能够提高轴向振动的频率，具有较好的使用效果。
为实现上述技术目的，本实用新型实施例提供了一种复合振动提速工具，包括阀组件，所述阀组件包括：
动阀块，具有第一中心孔和围绕所述第一中心孔设置的多个第一边缘孔；以及
定阀块，具有第二中心孔和围绕所述第二中心孔设置的多个第二边缘孔，所述第二中心孔与所述第一中心孔相对应，第二边缘孔与第一边缘孔相对应；定阀块的端面与动阀块的端面相对设置。
优选地，多个所述第一边缘孔围绕所述第一中心孔均匀布设；多个所述第二边缘孔围绕所述第二中心孔均匀布设。
优选地，所述复合振动提速工具还包括偏心轴，所述偏心轴与所述动阀块连接。
优选地，所述偏心轴的外轮廓具有轴向延伸的第一凹槽和第二凹槽，所述第二凹槽位于背向于所述第一凹槽的一侧；所述第一凹槽内嵌设有第一配重块，所述第二凹槽内嵌设有第二配重块，所述第一配重块的比重大于所述第二配重块的比重。
优选地，所述第一配重块为硬质合金材质；所述第二配重块为尼龙材质。
优选地，所述复合振动提速工具还包括动力单元，所述动力单元通过万向轴单元与偏心轴连接。
优选地，所述动力单元包括定子和转子，所述转子位于所述定子的内孔中；所述万向轴单元包括万向轴壳体和万向轴，所述万向轴位于所述万向轴壳体的内孔中；所述定子与所述万向轴壳体连接，所述转子与所述万向轴连接，所述万向轴与所述偏心轴连接。
优选地，所述复合振动提速工具还包括防掉单元，所述防掉单元包括防掉壳体和防掉轴，所述防掉壳体的下端具有径向向内突出的缩孔部，所述防掉轴穿过所述缩孔部的内孔延伸至所述防掉壳体内，所述防掉轴的上端与防掉环连接，所述防掉环的外圆直径大于所述缩孔部的内孔直径。
优选地，所述偏心轴的所述第一凹槽一侧设有第一径向轴承、所述第一凹槽另一侧设有第二径向轴承，所述偏心轴通过所述第一径向轴承和所述第二径向轴承与外壳连接。
优选地，所述偏心轴与外壳之间还设有推力轴承。
本实用新型实施例中提供的一个或多个技术方案，至少具有如下技术效果或优点：动阀块转动时，第一中心孔和第二中心孔保持连通，能够避免流量截止的状态出现。第二边缘孔和第一边缘孔均为多个，动阀块转动一周，第二边缘孔能够与第一边缘孔之间形成多次的位置重叠和交错，进而能够形成多次轴向振动，提高了轴向振动的频率，提升了使用效果。
进一步地，偏心轴转动时，形成了周向的振动，周向的振动与轴向的振动复合，进一步提升了使用效果。
附图说明
图1为本实用新型一种实施例的复合振动提速工具的结构示意图；
图2为图1中的A-A剖视图；
图3为图1中的B-B剖视图；
图4为图1中的C-C剖视图。
图中，
10-动力单元，11-定子，12-转子，20-万向轴单元，21-万向轴壳体，22-万向轴、30-偏心轴，32-第一配重块，33-第二配重块，40-阀组件，41-动阀块，411-第一中心孔，412-第一边缘孔，42-定阀块，421-第二中心孔，422-第二边缘孔，50-防掉单元，51-防掉壳体，52-缩孔部，53-防掉轴，54-防掉环，60-第一径向轴承，70-第二径向轴承，80-推力轴承。
具体实施方式
下面结合说明书附图对本实用新型进行详细的解释和说明。
参考图1至图3所示，一种复合振动提速工具，包括阀组件40，阀组件40包括动阀块41和定阀块42。其中，动阀块41具有第一中心孔411和围绕第一中心孔411设置的多个第一边缘孔412。定阀块42具有第二中心孔421和围绕第二中心孔421设置的多个第二边缘孔422。第二中心孔421与第一中心孔411相对应，第二边缘孔422与第一边缘孔412相对应。定阀块42的端面与动阀块41的端面相对设置，定阀块42的端面与动阀块41的端面之间可以直接接触，也可以保持一定的间隙。
本实施例中，动阀块41转动时，第一中心孔411和第二中心孔421保持连通，能够避免流量截止的状态出现。第二边缘孔422和第一边缘孔412均为多个，动阀块41转动一周，第二边缘孔422能够与第一边缘孔412之间形成多次的位置重叠、交错，进而动阀块41转动一周期间能够形成多次轴向振动，提高了轴向振动的频率，提升了使用效果。
在一些实施例中，多个第一边缘孔412围绕第一中心孔411均匀布设，多个第二边缘孔422围绕第二中心孔421均匀布设，具有稳定的振动频率。
在一些实施例中，复合振动提速工具还包括偏心轴30，偏心轴30与动阀块41连接。偏心轴30转动时，形成了周向的振动，周向的振动与轴向的振动复合，进一步提升了使用效果。
在一些实施例中，参考图4，偏心轴30具有轴向延伸的第一凹槽和第二凹槽。第二凹槽位于背向于第一凹槽的一侧。优选地，第一凹槽和第二凹槽对称设置。第一凹槽内嵌设有第一配重块32，第二凹槽内嵌设有第二配重块33。第一配重块32的比重大于第二配重块33的比重。偏心轴30转动时，由于第一配重块32与第二配重块33之间的比重不同，偏心轴30产生周向(或者称为径向)的振动。
在一些实施例中，第一配重块32为硬质合金材质，提高了偏心轴30的耐磨性，第一配重块32例如可以焊接至第二凹槽内。第二配重块33为尼龙材质，第二配重块33例如可以通过螺栓与偏心轴30连接。
在一些实施例中，复合振动提速工具还包括动力单元10，动力单元10通过万向轴单元20与偏心轴30连接。上述动力单元10为该复合振动提速工具的偏心轴30和动阀块41转动提供动力。动力单元10例如可以选用螺杆钻具中的马达结构或者涡轮钻具中的涡轮结构。
在一些实施例中，动力单元10包括定子11和转子12，转子12位于定子11的内孔中。万向轴单元20包括万向轴壳体21和万向轴22，万向轴22位于万向轴壳体21的内孔中。定子11与万向轴壳体21连接，转子12与万向轴22连接，万向轴22与偏心轴30连接。
在一些实施例中，参考图1，复合振动提速工具还包括防掉单元50，防掉单元50包括防掉壳体51和防掉轴53。防掉壳体51的下端具有径向向内突出的缩孔部52。上述缩孔部52可以与防掉壳体51一体成型，也可以分体设置并与防掉壳体51螺纹连接。防掉轴53穿过缩孔部52的内孔延伸至防掉壳体51内。防掉轴53的上端与防掉环54连接，防掉环54的外圆直径大于缩孔部52的内孔直径，起到防掉作用。
在一些实施例中，参考图1，偏心轴30的第一凹槽上侧(参考图1中方向)设有第一径向轴承60、第一凹槽下侧设有第二径向轴承70.偏心轴30通过第一径向轴承60和第二径向轴承70与外壳连接。第一径向轴承60和第二径向轴承70在偏心轴30与外壳之间起到径向支撑作用，将偏心轴30转动时产生的转动传递至外壳。
在一些实施例中，第一凹槽与第一径向轴承60之间设有推力轴承80。推力轴承80对偏心轴30起到轴向支撑作用，使得动阀块41与定阀块42直径保持一定的间隙，有利于避免动阀块41与定阀块42直接接触产生摩擦。
以上仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型实质内容上所作的任何修改、等同替换和简单改进等，均应包含在本实用新型的保护范围之内。
Claims (10)
1.一种复合振动提速工具，包括阀组件(40)，其特征在于，所述阀组件(40)包括：
动阀块(41)，具有第一中心孔(411)和围绕所述第一中心孔(411)设置的多个第一边缘孔(412)；以及
定阀块(42)，具有第二中心孔(421)和围绕所述第二中心孔(421)设置的多个第二边缘孔(422)，所述第二中心孔(421)与所述第一中心孔(411)相对应，第二边缘孔(422)与第一边缘孔(412)相对应；定阀块(42)的端面与动阀块(41)的端面相对设置。
2.根据权利要求1所述的复合振动提速工具，其特征在于，多个所述第一边缘孔(412)围绕所述第一中心孔(411)均匀布设；多个所述第二边缘孔(422)围绕所述第二中心孔(421)均匀布设。
3.根据权利要求1所述的复合振动提速工具，其特征在于，所述复合振动提速工具还包括偏心轴(30)，所述偏心轴(30)与所述动阀块(41)连接。
4.根据权利要求3所述的复合振动提速工具，其特征在于，所述偏心轴(30)的外轮廓具有轴向延伸的第一凹槽和第二凹槽，所述第二凹槽位于背向于所述第一凹槽的一侧；所述第一凹槽内嵌设有第一配重块(32)，所述第二凹槽内嵌设有第二配重块(33)，所述第一配重块(32)的比重大于所述第二配重块(33)的比重。
5.根据权利要求4所述的复合振动提速工具，其特征在于，所述第一配重块(32)为硬质合金材质；所述第二配重块(33)为尼龙材质。
6.根据权利要求3至5中任一项所述的复合振动提速工具，其特征在于，所述复合振动提速工具还包括动力单元(10)，所述动力单元(10)通过万向轴单元(20)与偏心轴(30)连接。
7.根据权利要求6所述的复合振动提速工具，其特征在于，所述动力单元(10)包括定子(11)和转子(12)，所述转子(12)位于所述定子(11)的内孔中；所述万向轴单元(20)包括万向轴壳体(21)和万向轴(22)，所述万向轴(22)位于所述万向轴壳体(21)的内孔中；所述定子(11)与所述万向轴壳体(21)连接，所述转子(12)与所述万向轴(22)连接，所述万向轴(22)与所述偏心轴(30)连接。
8.根据权利要求7所述的复合振动提速工具，其特征在于，所述复合振动提速工具还包括防掉单元(50)，所述防掉单元(50)包括防掉壳体(51)和防掉轴(53)，所述防掉壳体(51)的下端具有径向向内突出的缩孔部(52)，所述防掉轴(53)穿过所述缩孔部(52)的内孔延伸至所述防掉壳体(51)内，所述防掉轴(53)的上端与防掉环(54)连接，所述防掉环(54)的外圆直径大于所述缩孔部(52)的内孔直径。
9.根据权利要求4至5中任一项所述复合振动提速工具，其特征在于，所述偏心轴(30)的所述第一凹槽一侧设有第一径向轴承(60)、所述第一凹槽另一侧设有第二径向轴承(70)，所述偏心轴(30)通过所述第一径向轴承(60)和所述第二径向轴承(70)与外壳连接。
10.根据权利要求9所述的复合振动提速工具，其特征在于，所述偏心轴(30)与外壳之间还设有推力轴承(80)。
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